HP 50g manual

•Press `to return to the PLOT - FUNCTION window. The expression ‘Y1(X) = EXP(-X^2/2)/√(2*π)’ will be highlighted. Press L@@@OK@@@ to return to normal calculator display.

•Enter the PLOT WINDOW environment by entering „ò(press them simultaneously if in RPN mode). Use a range of –4 to 4 for H- VIEW, then press @AUTO to generate the V-VIEW automatically. The PLOT WINDOW screen looks as follows:

•Plot the graph: @ERASE @DRAW (wait till the calculator finishes the graphs)

•To see labels: @EDIT L@LABEL @MENU

•To recover the first graphics menu: LL@)PICT

•To trace the curve: @TRACE @@X,Y@@ . Then use the right- and left-arrow keys (š™) to move about the curve. The coordinates of the points you trace will be shown at the bottom of the screen. Check that for x = 1.05 , y = 0.0231. Also, check that for x = -1.48 , y = 0.134. Here is picture of the graph in tracing mode:

•To recover the menu, and return to the PLOT WINDOW environment, press L@CANCL. Press L@@OK@@ to return to normal display.

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